98437640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{351563}}^1$

素因数の和:351581

約数の個数: 32

約数和(自身を含む): 253126080

約数和(自身を除く): 154688440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 351563, 703126, 1406252, 1757815, 2460941, 2812504, 3515630, 4921882, 7031260, 9843764, 12304705, 14062520, 19687528, 24609410, 49218820, 98437640]

約数ペア:

[(1, 98437640), (2, 49218820), (4, 24609410), (5, 19687528), (7, 14062520), (8, 12304705), (10, 9843764), (14, 7031260), (20, 4921882), (28, 3515630), (35, 2812504), (40, 2460941), (56, 1757815), (70, 1406252), (140, 703126), (280, 351563)]